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. 2016 Jun 17;6:28106. doi: 10.1038/srep28106

Figure 7. Zeta potential of the MS2(9x) 80/20 and MS2(9x) PA-spheres.

Figure 7

(A) Spheres were prepared by mixing of: MS2(9x) silk protein (at initial concentration of 2.5 mg/ml) with various potassium phosphate concentrations, at pH 8 (B) silk protein at various initial concentrations with 2 M potassium phosphate, at pH 8; (C) silk protein (at 2.5 mg/ml) with 1.75 M potassium phosphate at various pH values. Zeta potential of silk spheres were measured three times in triplicate at 25 °C in 10 mM NaCl,***indicates statistical significance with p < 0.001.